In ValuSoft's unique puzzle adventure Mahjongg Investigations: Under Suspicion, players use their skills in the traditional tile game of Mahjongg to untangle webs of mystery and bring criminal scum to justice in the seedy town of Metro City. Mahjongg Investigations: Under Suspicion features a vast city with more than twenty locations to explore, multiple mini games that include DNA analysis and interrogation, and the ability to move up the chain of command with ten unique ranks. Can you bring mob boss Don Diamante down? The answer is in the tiles in Mahjongg Investigations: Under Suspicion.